GTU previous question papers
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- Vth SEMESTER–EXAMINATION – MAY/JUNE – 2012
Subject code: 150606
Subject Name: Disaster Assessment using Geospatial Techniques
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define Remote Sensing. Explain its advantages and limitations.
(b) Give a brief idea about GSLV and PSLV.
Q.2 (a) What is Sensor? Describe Air Born and Space Born sensors.
(b) What do you know about IRS series? Explain in brief.
(b) Write a note on: i) Weather sensors, ii) Spectrometers
Q.3 (a) Explain systematic corrections and non-systematic corrections with
(b) What do you understand by GIS? Give brief explanation of it. Also explain various components of it.
Q.3 (a) Explain different functions and basic working principles of GPS?
(b) Explain basic concept of Metadata? Mention its importance in GIS in detail.
Q.4 (a) Why is it necessary to find out errors of GPS? Explain atmospheric
error and satellite clock error in detail.
(b) What are the advantages of GIS over map and Computer Aided Designs?
Q.4 (a) Describe supervised classification. What are the steps involved in
supervised classification? Give detailed explanation of each step.
(b) Write a short note on: i) ESRI, ii) Network analysis.
Q.5 (a) Why analysis of Geospatial Data is required? Enumerate the methods
used for the same and explain each method in short.
(b) What are the data sources of sources of GIS? Give an idea of each of them.
Q.5 (a) Explain Raster data model with its detailed classification.
(b) “Remote Sensing and GIS software are useful for assessment of
Natural Disasters”. Prove this statement true with brief description of
at least two examples.